Cheap Flights from Seoul (ICN) to San Francisco (SFO)

You can find one-way and return flights from ICN to SFO with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when ICN to SFO ticket fares go up or down.

The cheapest months to fly from ICN to SFO are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.

There are 4 airlines offering direct flights from Seoul (ICN-Incheon Intl.) to San Francisco, CA (SFO-San Francisco Intl.). These include:
* United operates 14 direct flights from Seoul (ICN-Incheon Intl.) to San Francisco, CA (SFO-San Francisco Intl.) every week.
* Korean Air operates 7 direct flights from Seoul (ICN-Incheon Intl.) to San Francisco, CA (SFO-San Francisco Intl.) every week.
* Asiana Airlines operates 7 direct flights from Seoul (ICN-Incheon Intl.) to San Francisco, CA (SFO-San Francisco Intl.) every week.
* Air Premia operates 7 direct flights from Seoul (ICN-Incheon Intl.) to San Francisco, CA (SFO-San Francisco Intl.) every week.

To find a cheap flight from Seoul (ICN) to San Francisco, CA (SFO), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.

The best airline to fly with from Seoul (ICN-Incheon Intl.) to San Francisco, CA (SFO-San Francisco Intl.) will differ from traveler to traveler. If you like to fly early, United offers early morning flights. If price is the most important factor, Air Premia typically offers the lowest fares. Korean Air offers the most daily flights from Seoul (ICN-Incheon Intl.) to San Francisco, CA (SFO-San Francisco Intl.), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.

The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.

You'll find around 5 nonstop flights per day from Seoul (ICN-Incheon Intl.) to San Francisco, CA (SFO-San Francisco Intl.). For even more choices, look at flights that include layovers, as there are approximately 108 connecting flights per day. Some common connection points include Vancouver Intl. (YVR), Hong Kong Intl. (HKG), and Seattle - Tacoma Intl. (SEA).

The earliest flight from Seoul (ICN-Incheon Intl.) to San Francisco, CA (SFO-San Francisco Intl.) typically departs around 12:10 AM local time. This service is operated by Turkish Airlines. This is a seasonal service, active in January and March. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.

You'll typically find the most flights from Seoul (ICN-Incheon Intl.) to San Francisco, CA (SFO-San Francisco Intl.) on a Wednesday, with around 55 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include Korean Air, Asiana Airlines, and Jeju Air. Flight options are quite consistent throughout the week, with only a slight variation in the number of flights on different days.

The most popular departure times for flights from Seoul (ICN-Incheon Intl.) to San Francisco, CA (SFO-San Francisco Intl.) are in the early evening, from 6pm to 9pm. Many major carriers, including Delta, Korean Air and Cathay Pacific, offer flights during this window. Many travellers prefer these times as they allow for a full day of activities before heading to the airport, and you'll arrive in San Francisco at a reasonable hour.

When flying from Seoul (ICN-Incheon Intl.) to San Francisco, CA (SFO-San Francisco Intl.), you have a few options. A nonstop flight typically takes around 10 hours 48 minutes, covering a distance of approximately 9086 kilometres. If you opt for a one-stop flight, your travel time will generally be longer, averaging about 16 hours 48 minutes. Flights with two or more stops usually take even longer, around 21 hours 18 minutes. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic, so it's always a good idea to allow for some extra time when planning your journey.

You can fly business class or first class between ICN and SFO. Airlines that offer business class service on this route include:

• Vietnam Airlines
• Jeju Air
• Cathay Pacific
• China Eastern Airlines
• Korean Air
• Shanghai Airlines
• Emirates
• Turkish Airlines
• Lufthansa
• Qatar Airways
• Air Canada
• Singapore Airlines
• Air India
• Asiana Airlines
• China Southern Airlines
• United
• Delta
• Philippine Airlines
• Air China
• EVA Airways
• Shandong Airlines
• China Airlines

First class cabins are available on Korean Air and Emirates.

It's easy to earn miles on a Seoul (ICN) to San Francisco, CA (SFO) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.

*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.

If you're planning to travel to San Francisco from Incheon Intl. (ICN), you can fly directly into San Francisco Intl. (SFO). Some flights may connect through major hubs like Capital Intl. (PEK), Dubai Intl. (DXB), or Narita Intl. (NRT) before reaching San Francisco. Compare routes and airports on Expedia to find the best flight options for your travel plans.

Typically, booking a last minute flight from Seoul (ICN) to San Francisco, CA (SFO) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.

Securing a Seoul (ICN) to San Francisco, CA (SFO) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.

If you booked your Seoul (ICN) to San Francisco, CA (SFO) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.